US2939852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isobornyl methacrylate modified rubber, latex containing same and article thereof
Assignee: Rohm and Haas Co
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Filing: 1957-11-26
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Granted: 1960-06-07
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Expires: 1977-11-26
Abstract
No abstract record available.
Inventors
- 👤 Claude J Schmidle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
C; C08; C08F; C08F36/00; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1811; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AS AN ARTICLE OF MANUFACTURE, A CELLULAR MASS FORMED OF A COMPOSITION COMPRISING A WATER-INSOLUBLE POLYMER OF ISOBORNYL METHACRYLATE OBTAINED BY POLYMELRIZING ISOBORNYL METHACRYLATE BY MEANS OF A FREERADICAL POLYMERIZATION INITIATOR IS AN AQUEOUS DISPERSION OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND COPOLYMERS OF 60 TO 85% BY WEIGHT OF A CONJUNGATED DIOLEFIN WITH 15 TO 40% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF STYRENE, METHYLSTYRENE, AND ACRYLONITRILE, THE PROPORTION OF ISOBORNYL METHACRYLATE BEING FROM 1 TO 75% BY WEIGHT OF THE RESULTANT POLYMER.
Claim 2
Dependent Claim
93 words
AS AN ARTICLE OF MANUFACTURE, A CELLULAR MASS FORMED OF A COMPOSITION COMPRISING A WATER-INSOLUBLE POLYMER OF ISOBORNYL METHACRYLATE OBTAINED BY POLYMELRIZING ISOBORNYL METHACRYLATE BY MEANS OF A FREERADICAL POLYMERIZATION INITIATOR IS AN AQUEOUS DISPERSION OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND COPOLYMERS OF 60 TO 85% BY WEIGHT OF A CONJUNGATED DIOLEFIN WITH 15 TO 40% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF STYRENE, METHYLSTYRENE, AND ACRYLONITRILE, THE PROPORTION OF ISOBORNYL METHACRYLATE BEING FROM 1 TO 75% BY WEIGHT OF THE RESULTANT POLYMER.
References Cited (Backward Citations)
US2422550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |